No problem, we've got 4749 and 4257 to multiply
4749 × 4257 = 4257 × (4749)
+ 4257 × 9 what gives us 38313
+ 4257 × 40 that is equal 170280
+ 4257 × 700 that equals 2979900
+ 4257 × 4000 that is equal 17028000

= 20216493
